1. School of Earth and Environmental Sciences, The University of Queensland, St Lucia, QLD, Australia
2. The Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Beijing, China
3. School of Engineering and Innovation, The Open University, Milton Keynes, UK
4. Department of Infrastructural Engineering, The University of Melbourne, Parkville, VIC, Australia
5. Department of Geography and Geographic Information Science and Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA